Add theme tab background images.

chrome/browser/themes/theme_service.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/themes/theme_service.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/prefs/pref_service.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 97 matching lines @@
 gfx::Image ThemeService::GetImageNamed(int id) const {
   DCHECK(CalledOnValidThread());
 
   // For a managed user, use the special frame instead of the default one.
   // TODO(akuegel): Remove this once we have the default managed user theme.
   if (IsManagedUser()) {
     if (id == IDR_THEME_FRAME)
       id = IDR_MANAGED_USER_THEME_FRAME;
     else if (id == IDR_THEME_FRAME_INACTIVE)
       id = IDR_MANAGED_USER_THEME_FRAME_INACTIVE;
+    else if (id == IDR_THEME_TAB_BACKGROUND || id == IDR_THEME_TAB_BACKGROUND_V)
+      id = IDR_MANAGED_USER_THEME_TAB_BACKGROUND;
   }
 
   gfx::Image image;
   if (theme_pack_.get())
     image = theme_pack_->GetImageNamed(id);
 
 #if defined(USE_AURA) && !defined(USE_ASH) && defined(OS_LINUX)
   const ui::LinuxUI* linux_ui = ui::LinuxUI::instance();
   if (image.IsEmpty() && linux_ui)
     image = linux_ui->GetThemeImageNamed(id);
@@ skipping 328 matching lines @@
 void ThemeService::OnInfobarDestroyed() {
   number_of_infobars_--;
 
   if (number_of_infobars_ == 0)
     RemoveUnusedThemes();
 }
 
 ThemeSyncableService* ThemeService::GetThemeSyncableService() const {
   return theme_syncable_service_.get();
 }